Heterosphaeridium verdieri
From dinoflaj3
verdieri Yun Hyesu, 1981, p.48, pl.3, figs.3,5. Holotype: Yun Hyesu, 1981, pl.3, fig.5; Fensome et al., 1991, fig.2 — p.767; Fauconnier and Masure, 2004, pl.37, figs.4–5. Age: early Santonian.
Parent: Heterosphaeridium